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33 Cards in this Set
- Front
- Back
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leukocytes are complete ____ cells
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nucleated
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leukocytes make up __% of blood volume
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1
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leukocytes protect body from ____ substances
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foreign
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leukocytes use ____ in which they squeeze through walls of the capillaries to leave blood stream to injured tissue
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diapedesis
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2 types of leukocytes
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granulocytes - agranulocytes
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3 types of granulocytes
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neutrophiles - eosinophils - basophils
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neutrophils count is __-__% & is ____ numerous
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50-70 - most
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neutrophils function
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phagocytize bacteria
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eosinophils count is __-__%
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2-4%
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eosinophils function (2)
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fights parasites - inactivation of some inflammatory chemical (histamine)
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basophil count is __-__% & is ____ numerous
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0-1% - least
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basophil function
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histamine + heparin release (anti-coagulant)
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2 agranulocytes
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lymphocytes - monocytes
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lymphocytes count is __-__%
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20-45%
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lymphocytes function (4)
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immune response - direct attack - antibodies (production) - viral infections
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monocytes count is __-__%
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4-8%
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monocytes function (2)
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phagocytosis - chronic infections
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4 leukocyte disorders
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leukocytosis - leukopenia - leukemias - mononucleosis
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in leukocytosis, WBC count is ____
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high (over 11,000 per mm³)
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in leukocytosis, invasion is by ____ or ____
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bacteria - virus
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leukocytosis can be a result of ____ or ____
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leukemia - mononucleosis
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in leukopenia, WBC count is ____
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low
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leukopenia can be caused by (4)
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drugs (esp. glucocorticoids) - chemotherapy - rheumatoid arthritis - cirrhosis of the liver
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leukemias is WBC ____
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cancer
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in leukemias, there is rapidly dividing ___, un____ & non____
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WBC's - specialized - functional
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in leukemias there is __creased normal bone marrow function
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decreased
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4 symptoms of leukemias
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fever - weight loss - bone or organ pain - infections
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mononucleosis is a ____ ____ infection
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contagious - viral
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mononucleosis is common in ____ & ____ ____
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children - young adults
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example of mononucleosis is ____-____ virus
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epstein-barr
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mononucleosis causes __creased ____ numbers
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increased - agranulocyte
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4 symptoms of mononucleosis
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fatigue - aches - sore throat - low grade fever
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diagnostics test for WBCs
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differential white blood cell count
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